Question

past tense rules or formation
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Answer 1

Answer:

past tense is the work that is done.

in past indefinite tense we use verb 2nd form or did +verb 1st form

in past continous we use was+ 1stform+ing

in past perfect we use had +verb 3rd form

in past perfect continuous we use had been +ing

Hope it help ......

With regards from ifra...

Answer 2

Answer:

Past Tense

When writing regular verbs in simple past tense, the rule is simple: add '-ed' to the end of the root form of the verb. However, if the verb is in past perfect tense, you need to use 'had' plus the past participle of the verb. For regular verbs, simple past and past participle are the same: add '-ed' to the root form.

~hope helps